Paper Sizes

There are a number of paper size standards used in the world today, the most commonly used being the international ISO standard and a standard used in North America which uses the metric system of measurement. These sizes are used to order various printed items such as stationery, brochures, digital copies, fliers, etc. The charts below detail and compare these sizes and their dimensions. 
 

Paper Sizes (Metric A, B, North American ARCH)

ISO A metric paper sizes illustration

A4 is slightly narrower and a bit longer than 
North American Letter size paper.

ISO A Sizes
A0: 
841 mm x 1,189 mm
(33.11 in. x 46.81 in.)

A1: 
594 mm x 841 mm
(23.39 in. x 33.11 in.)

A2: 
420 mm x 594 mm
(16.54 in. x 23.39 in.)

A3: 
297 mm x 420 mm
(11.69 in. x 16.54 in.)

A4: 
210 mm x 297 mm
(8.27 in. x 11.69 in.)

A5: 
148 mm x 210 mm
(5.83 in. x 8.27 in.)

A6: 
105 mm x 148 mm
(4.13 in. x 5.83 in.)

A7: 
74 mm x 105 mm 
(2.91 in. x 4.13 in.)
 

ISO B metric paper sizes illustration

ISO B Sizes
B0: 
1,028 mm x 1,456 mm
(40.48 in. x 57.32 in.) 

B1: 
707 mm x 1,000 mm
(28.66 in. x 40.48 in.)

B2: 
514 mm x 728 mm
(20.24 in. x 28.66 in.)

B3: 
364 mm x 514 mm
(14.33 in. x 20.24 in.)

B4: 
257 mm x 364 mm
(10.12 in. x 14.33 in.)

B5: 
182 mm x 257 mm
(7.17 in. x 10.12 in.)

B6: 
128 mm x 182 mm
(5.04 in. x 7.17 in.)

 

ISO Metric Paper Sizes

SIZE

WIDTH(mm)

HEIGHT(mm)

WIDTH(in.)

HEIGHT(in.)

Int'l Business Card

85.6 mm

53.98 mm

3.37 in.

2.125 in.

Japanese Business Card

91 mm

55 mm

3.583 in.

2.165 in.

Hungarian Business Card

90 mm

50 mm

3.543 in.

1.969 in.

A0

841 mm

1,189 mm

33.11 in.

46.81 in.

A1

594 mm

841 mm

23.39 in.

33.11 in.

A2

420 mm

594 mm

16.54 in.

23.39 in.

A3

297 mm

420 mm

11.69 in.

16.54 in.

A4

210 mm

297 mm

8.27 in.

11.69 in.

A5

148 mm

210 mm

5.83 in.

8.27 in.

A6

105 mm

148 mm

4.13 in.

5.83 in.

A7

74 mm

105 mm

2.91 in.

4.13 in.

B0

1,028 mm

1,456 mm

40.48 in.

57.32 in.

B1

707 mm

1,000 mm

28.66 in.

40.48 in.

B2

514 mm

728 mm

20.24 in.

28.66 in.

B3

364 mm

514 mm

14.33 in.

20.24 in.

B4

257 mm

364 mm

10.12 in.

14.33 in.

B5

182 mm

257 mm

7.17 in.

10.12 in.

B6

128 mm

182 mm

5.04 in.

7.17 in.